Heart rate dynamics during a treadmill cardiopulmonary exercise test in optimized beta-blocked heart failure patients . Clinics, [S. l.], v. 63, n. 4, p. 479–482, 2008. DOI: 10.1590/S1807-59322008000400011. Disponível em: https://www.revistas.usp.br/clinics/article/view/17776.. Acesso em: 23 may. 2024.